Anabaina circinalis Rabenhorst, 1863a: 101 (`Anabaena') (lectotype locality: Driesen [Drezdenko], Poland fide Drouet, 1978: 44).—Salam & Khan, 1979b: 100, 103, pl. II: fig. 6.
INDIAN OCEAN DISTRIBUTION: Bangladesh.
Note: Drouet (1978: 44, 86) chose a specimen in F as the lectotype of this species and assigned it to Nostoc commune Vaucher.